2-1
NJ-series Troubleshooting Manual (W503)
2
This section describes troubleshooting methods for specific errors.
2-1 Troubleshooting Flowcharts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-1-1 Checking to See If the CPU Unit Is Operating . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2-1-2 Troubleshooting Flowchart for Non-fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . 2-3
2-2 Troubleshooting Fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
2-3 Troubleshooting Non-fatal Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2-3-1 Identifying and Resetting Errors with the Sysmac Studio . . . . . . . . . . . . . . . . 2-5
2-3-2 Identifying and Resetting Errors with an NS-series PT . . . . . . . . . . . . . . . . . . 2-9
2-3-3 Identifying and Resetting Errors from the User Program . . . . . . . . . . . . . . . . 2-11
2-3-4 Checking for Errors with System-defined Variables . . . . . . . . . . . . . . . . . . . . 2-13
2-4 Troubleshooting When You Cannot Go Online from the Sysmac Studio 2-14
2-4-1 Causes and Correction When You Cannot Go Online from the
Sysmac Studio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2-4-2 Troubleshooting for Each Cause . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-15
Error Troubleshooting Methods
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